<template>
  <div class="top-right-btn">
    <el-row>
      <el-tooltip class="item" effect="dark" :content="showTree ? '隐藏侧边栏' : '显示侧边栏'" placement="top">
        <el-button size="mini" circle icon="el-icon-s-fold" @click="toggleTree()" />
      </el-tooltip>
      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top">
        <el-button size="mini" circle icon="el-icon-search" @click="toggleSearch()" />
      </el-tooltip>

      <el-tooltip class="item" effect="dark" content="刷新" placement="top">
        <el-button size="mini" circle icon="el-icon-refresh" @click="refresh()" />
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="显隐列" placement="top" v-if="columns">
        <el-button size="mini" circle icon="el-icon-menu" @click="showColumn()" />
      </el-tooltip>
    </el-row>
    <el-dialog :title="title" :visible.sync="open" append-to-body>
      <el-transfer :titles="['显示', '隐藏']" v-model="value" :data="columns" @change="dataChange"></el-transfer>
    </el-dialog>
</div>
</template>
<script>
export default {
  name: "RightToolbar",

  props: {
    showSearch: {
      type: Boolean,
      default: true,
    },
    showTree: {
      type: Boolean,
      default: true,
    },
    columns: {
      type: Array,
    },
  },

  data() {
    return {
      // 显隐数据
      value: [],
      // 弹出层标题
      title: "显示/隐藏",
      // 是否显示弹出层
      open: false,
    };
  },

  methods: {
    // 搜索
    toggleSearch() {
      this.$emit("update:showSearch", !this.showSearch);
    },
    // 侧边栏
    toggleTree() {
      this.$emit("update:showTree", !this.showTree);
    },
    // 刷新
    refresh() {
      this.$emit("queryTable");
    },
    // 右侧列表元素变化
    dataChange(data) {
      for (var item in this.columns) {
        const key = this.columns[item].key;
        this.columns[item].visible = !data.includes(key);
      }
    },
    // 打开显隐列dialog
    showColumn() {
      this.open = true;
    },
  }
};
</script>

<style lang="scss" scoped>
::v-deep .el-transfer__button {
  border-radius: 50%;
  padding: 12px;
  display: block;
  margin-left: 0px;
}

::v-deep .el-transfer__button:first-child {
  margin-bottom: 10px;
}
</style>